diff --git a/app/common/service/pay/WeChatPayMerchantService.php b/app/common/service/pay/WeChatPayMerchantService.php
index f75c180..153822f 100644
--- a/app/common/service/pay/WeChatPayMerchantService.php
+++ b/app/common/service/pay/WeChatPayMerchantService.php
@@ -87,7 +87,7 @@ class WeChatPayMerchantService extends BasePayService
                 'out_trade_no' => $order['order_no'],
                 'notify_url' => $this->config['notify_url'],
                 'amount' => [
-                    'total' => intval(bcmul($order['total_fee'], 100,2 )),
+                    'total' => intval($order['total_fee']),
                     'currency' => 'CNY'
                 ],
                 'attach' => $order['order_no'],